pub unsafe extern "C" fn BoxDesc_ZQuad2(
    m: *mut Model,
    x1: f32,
    x2: f32,
    y1: f32,
    y2: f32,
    z: f32,
    u1: c_int,
    v1: c_int,
    u2: c_int,
    v2: c_int
)